Yamaha HTR-5920 Service Manual page 15

C
Is output
NO
correct, when
analog input
YES
Digital part is O.K.
Are
NO
power voltage and
ground of IC32
correct?
YES
Are
waveforms of
NO
IC32 (pin 51 and 52)
correct?
YES
D
HTR-5920
Check power supply
part
Check and replace
IC32
15